< Timer diagnosis >
WARNING: This page is about a different variant/trim than selected.
Start the count up operation of counters in ECM and in soaking timer IC when the engine is started. Judge as timer malfunction if the difference between the counter in ECM and counter in soaking timer IC exceeds the allowable limit when the ignition switch is OFF.
Fig 1: Ignition Switch, Main Relay, Driving Cycle, ECM Counter And Soak Time IC Counter (OK And Malfunction) Graph
- Abnormality Judgment
Judge as NG when the following conditions are established.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| |osoaktimcpu - osoaktimic|/osoaktimcpu osoaktimcpu = Counter in ECM osoaktimic = Counter in soaking timer IC |
> 0.24 |
- Normality Judgment
Judge as OK when the following conditions are established.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| |osoaktimcpu - osoaktimic|/osoaktimcpu | ≤ 0.24 |